| City | 2026 Pop. ↓ |
|---|---|
| Grenoble | 154,974 |
| Gennevilliers | 53,048 |
| Grasse | 51,809 |
| Gagny | 43,895 |
| Gap | 41,653 |
| Garges-les-Gonesse | 41,060 |
| Goussainville | 31,538 |
| Guyancourt | 30,058 |
| Gonesse | 28,710 |
| Gradignan | 27,761 |
| Grigny | 25,812 |
| Gif-sur-Yvette | 23,612 |
| Gujan-Mestras | 22,648 |
| Givors | 22,121 |
| Gardanne | 21,667 |
| Gentilly | 20,629 |
| Grande-Synthe | 18,720 |
| Garches | 17,741 |
| Guerande | 17,276 |
| Gaillac | 16,787 |
| Guipavas | 15,964 |
| Gex | 13,943 |
| Genas | 13,691 |
| Graulhet | 13,413 |
| Gien | 13,316 |
| Gueret | 13,017 |
| Gisors | 12,936 |
| Guidel | 12,787 |
| Granville | 12,560 |
| Gaillard | 12,153 |
| Gravelines | 11,696 |
| Guilherand-Granges | 11,606 |
| Guebwiller | 11,371 |
| Gignac-la-Nerthe | 10,732 |
| Gerzat | 10,326 |
| Grigny-sur-Rhone | 10,259 |